Chat Noir was head over heels in love with Ladybug.
At least, that's what he told himself.
But one day, a peculiar girl catches his eye and sparks something in him.
Desire...
Need...
Obsession...
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This is a Reader insert (yay!) and is a crack story, so it'll be randomly updated.
Oh and this is a slow burn, so there may not be some Yandere action until a few chapters later.